Table 1.
Demographic informationa
| Patients | Controls | Statistical test | p | |
|---|---|---|---|---|
| Age, years | 43.1 (7.76) | 38.2 (10.78) | t = 1.59 | 0.12 |
| Gender, n | χ2 = 0.003 | 0.96 | ||
| Female | 8 | 8 | ||
| Male | 11 | 10 | ||
| Years of education | 12.6 (1.98) | NA | ||
| Duration of illness, years | 22.6 (7.86) | NA | ||
| SAPS, total | 16.8 (15.37) | NA | ||
| SANS, total | 31.7 (16.92) | NA | ||
| BPRS | 18.6 (10.60) | NA | ||
| CPZ dose equivalent | 425.05 (250.73) mg/kg/d | NA |
aData are mean (SD). t = independent two-tailed t test. SAPS, Scale for the Assessment of Positive Symptoms; SANS, Scale for the Assessment of Negative Symptoms; BPRS, Brief Psychiatric Rating Scale; NA, not applicable.